COMP Cams Phaser Limiter Kit Ford 5.0LThe Phaser Limiters and Adjustable Phaser Locks, which took home the honor of Best New Performance Racing Product at the 2010 SEMA show, allow independent control over intake and exhaust centerlines, and eliminate piston to valve clearance issues that can occur when using larger aftermarket Camshafts in 2011 Ford 5. 0L Modular V8 engines. The U. S. Patented COMP Cams Phaser Limiters for the 5. 0L Coyote Modular V8 Engines physically limit maximum Cam